.page-about {
  --about-clip: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
  --about-clip-alt: polygon(24px 0, 100% 0, 100% 100%, 0 100%, 0 24px);
  --about-grid-pattern:
    linear-gradient(rgba(57, 255, 136, 0.05) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(90deg, rgba(57, 255, 136, 0.05) 1px, transparent 1px) 0 0 / 48px 48px;
  color: var(--light-text);
}

.page-about .about-hero {
  position: relative;
  padding: 40px 0 0;
  overflow: hidden;
  background:
    linear-gradient(rgba(57, 255, 136, 0.05) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(90deg, rgba(57, 255, 136, 0.05) 1px, transparent 1px) 0 0 / 48px 48px,
    var(--deep-blue);
}

.page-about .about-hero__inner {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding-bottom: 40px;
}

.page-about .about-hero__kicker {
  display: inline-block;
  font-family: var(--mono-font);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--neon-green);
  margin-bottom: 12px;
}

.page-about .about-hero h1 {
  font-family: var(--heading-font);
  font-size: clamp(1.75rem, 5vw, 3rem);
  line-height: 1.15;
  margin: 0 0 16px;
  color: var(--light-text);
}

.page-about .about-hero__lead {
  font-family: var(--body-font);
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--muted-text);
  max-width: 30em;
  margin: 0;
}

.page-about .about-hero__visual {
  position: relative;
  overflow: hidden;
  clip-path: var(--about-clip);
  background: var(--mid-blue);
}

.page-about .about-hero__visual img {
  display: block;
  width: 100%;
  height: 220px;
  object-fit: cover;
  opacity: 0.88;
}

.page-about .about-hero__badge {
  position: absolute;
  right: 16px;
  bottom: 14px;
  font-family: var(--mono-font);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--deep-blue);
  background: var(--neon-green);
  padding: 6px 10px;
  border-radius: 2px;
  white-space: nowrap;
}

.page-about .about-toc {
  background: rgba(10, 30, 63, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-line);
  border-top: 0;
  border-radius: 0 0 var(--radius) var(--radius);
  padding: 10px 20px;
  margin-bottom: 40px;
}

.page-about .about-toc ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  padding: 0;
  margin: 0;
}

.page-about .about-toc a {
  font-family: var(--mono-font);
  font-size: 13px;
  color: var(--muted-text);
  text-decoration: none;
  position: relative;
  transition: color var(--transition-fast);
}

.page-about .about-toc a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background: var(--neon-green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}

.page-about .about-toc a:hover {
  color: var(--neon-green);
}

.page-about .about-toc a:hover::after {
  transform: scaleX(1);
}

.page-about .about-section,
.page-about .about-promise {
  padding-top: 48px;
}

.page-about .about-section:target,
.page-about .about-promise:target {
  box-shadow: inset 3px 0 0 var(--orange);
}

.page-about .about-section__index {
  font-family: var(--mono-font);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--neon-green);
  display: block;
  margin-bottom: 8px;
}

.page-about .about-editorial {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding-bottom: 48px;
}

.page-about .about-editorial__aside {
  border-top: 2px solid var(--border-line);
  padding-top: 14px;
}

.page-about .about-editorial__aside h2 {
  font-family: var(--heading-font);
  font-size: 1.35rem;
  line-height: 1.3;
  margin: 8px 0 0;
  color: var(--light-text);
}

.page-about .about-editorial__note {
  font-family: var(--mono-font);
  font-size: 12px;
  color: var(--muted-text);
  letter-spacing: 0.06em;
  margin: 10px 0 0;
}

.page-about .about-editorial__content {
  font-family: var(--body-font);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--muted-text);
  max-width: 66ch;
}

.page-about .about-editorial__content p {
  margin: 0 0 18px;
}

.page-about .about-editorial__content strong {
  color: var(--neon-green);
  font-weight: 600;
}

.page-about .about-dropcap::first-letter {
  font-family: var(--heading-font);
  font-size: 3.2em;
  float: left;
  line-height: 0.9;
  padding-right: 8px;
  color: var(--neon-green);
  font-weight: 700;
}

.page-about .about-milestones {
  background: rgba(18, 59, 110, 0.14);
  padding-bottom: 40px;
}

.page-about .about-section__header {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 28px;
}

.page-about .about-section__heading h2 {
  font-family: var(--heading-font);
  font-size: 1.6rem;
  line-height: 1.25;
  margin: 8px 0 0;
  color: var(--light-text);
}

.page-about .about-section__note {
  font-family: var(--mono-font);
  font-size: 12px;
  color: var(--muted-text);
  letter-spacing: 0.06em;
  margin: 0;
}

.page-about .about-timeline {
  position: relative;
  padding: 8px 0 24px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--border-line) 8%, var(--border-line) 92%, transparent);
}

.page-about .about-timeline__item {
  position: relative;
  padding-left: 36px;
  margin-bottom: 20px;
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 28px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--neon-green);
  box-shadow: 0 0 0 4px rgba(57, 255, 136, 0.15);
}

.page-about .about-timeline__card {
  background: var(--card-bg);
  border: 1px solid var(--border-line);
  clip-path: var(--about-clip);
  padding: 20px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.page-about .about-timeline__card:hover {
  transform: translateY(-3px);
  border-color: var(--orange);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.35);
}

.page-about .about-timeline__year {
  font-family: var(--mono-font);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--neon-green);
  display: block;
  margin-bottom: 4px;
}

.page-about .about-timeline__card h3 {
  font-family: var(--heading-font);
  font-size: 1.05rem;
  line-height: 1.3;
  color: var(--light-text);
  margin: 4px 0 8px;
}

.page-about .about-timeline__card p {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--muted-text);
  margin: 0;
}

.page-about .about-team {
  background: linear-gradient(180deg, transparent, rgba(18, 59, 110, 0.22), transparent);
  padding-bottom: 48px;
}

.page-about .about-team__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-about .about-team__content h2 {
  font-family: var(--heading-font);
  font-size: 1.6rem;
  line-height: 1.25;
  margin: 8px 0 16px;
  color: var(--light-text);
}

.page-about .about-team__lead {
  font-size: 1.02rem;
  line-height: 1.65;
  color: var(--light-text);
  margin: 0 0 16px;
}

.page-about .about-team__content p {
  font-size: 0.94rem;
  line-height: 1.65;
  color: var(--muted-text);
  margin: 0 0 14px;
  max-width: 62ch;
}

.page-about .about-team__figure {
  margin: 0;
}

.page-about .about-team__figure img {
  display: block;
  width: 100%;
  height: auto;
  clip-path: var(--about-clip);
  background: var(--mid-blue);
}

.page-about .about-team__figure figcaption {
  font-size: 0.82rem;
  color: var(--muted-text);
  margin-top: 10px;
  line-height: 1.5;
}

.page-about .about-quality {
  padding-bottom: 48px;
}

.page-about .about-quality .about-editorial__content > p {
  max-width: 66ch;
}

.page-about .about-quality__certs {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  max-width: 66ch;
}

.page-about .about-quality__cert {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: rgba(11, 35, 66, 0.6);
  border: 1px solid rgba(57, 255, 136, 0.15);
  padding: 14px 16px;
  border-radius: var(--radius);
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.page-about .about-quality__cert:hover {
  border-color: var(--border-line);
  transform: translateX(4px);
}

.page-about .about-quality__cert-icon {
  flex: 0 0 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(57, 255, 136, 0.08);
  border-radius: 4px;
}

.page-about .about-quality__cert-text {
  font-size: 0.92rem;
  color: var(--light-text);
  line-height: 1.5;
  padding-top: 2px;
}

.page-about .about-quality__figure {
  margin: 24px 0 0;
  max-width: 320px;
}

.page-about .about-quality__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--border-line);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.page-about .about-promise {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--mid-blue), var(--deep-blue));
  padding-bottom: 56px;
}

.page-about .about-promise::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--about-grid-pattern);
  opacity: 0.5;
  pointer-events: none;
}

.page-about .about-promise__inner {
  position: relative;
  z-index: 1;
}

.page-about .about-promise h2 {
  font-family: var(--heading-font);
  font-size: 1.6rem;
  line-height: 1.25;
  margin: 8px 0 14px;
  color: var(--light-text);
}

.page-about .about-promise__lead {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--light-text);
  max-width: 42em;
  margin: 0 0 24px;
}

.page-about .about-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 0 0 28px;
}

.page-about .about-stat {
  background: rgba(10, 30, 63, 0.72);
  border: 1px solid var(--border-line);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  padding: 20px 16px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.page-about .about-stat:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.page-about .about-stat__value {
  display: block;
  font-family: var(--mono-font);
  font-size: clamp(1.5rem, 6vw, 2rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--neon-green);
}

.page-about .about-stat__label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted-text);
  margin-top: 6px;
}

.page-about .about-promise__note {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--muted-text);
  max-width: 50em;
}

.page-about .about-promise__note p {
  margin: 0 0 20px;
}

@media (min-width: 900px) {
  .page-about .about-hero {
    padding: 64px 0 0;
  }

  .page-about .about-hero__inner {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
    align-items: center;
    padding-bottom: 72px;
  }

  .page-about .about-hero__visual {
    clip-path: polygon(0 0, calc(100% - 56px) 0, 100% 56px, 100% 100%, 0 100%);
  }

  .page-about .about-hero__visual img {
    height: 400px;
  }

  .page-about .about-hero__lead {
    font-size: 1rem;
  }

  .page-about .about-toc {
    padding: 12px 28px;
    margin-bottom: 64px;
  }

  .page-about .about-section,
  .page-about .about-promise {
    padding-top: 72px;
  }

  .page-about .about-editorial {
    grid-template-columns: 220px 1fr;
    gap: 64px;
    padding-bottom: 72px;
  }

  .page-about .about-editorial__aside {
    position: sticky;
    top: calc(var(--header-height) + 32px);
    align-self: start;
  }

  .page-about .about-editorial__aside h2 {
    font-size: 1.5rem;
  }

  .page-about .about-editorial__content {
    font-size: 1rem;
  }

  .page-about .about-section__header {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 40px;
  }

  .page-about .about-section__heading h2 {
    font-size: 2rem;
  }

  .page-about .about-timeline {
    padding-top: 16px;
  }

  .page-about .about-timeline::before {
    left: 50%;
    transform: translateX(-1px);
  }

  .page-about .about-timeline__item {
    width: calc(50% - 32px);
    padding-left: 0;
    margin-bottom: 36px;
  }

  .page-about .about-timeline__item:nth-child(even) {
    margin-left: calc(50% + 32px);
  }

  .page-about .about-timeline__item::before {
    left: auto;
    right: -39px;
    top: 34px;
  }

  .page-about .about-timeline__item:nth-child(even)::before {
    right: auto;
    left: -39px;
  }

  .page-about .about-timeline__item:nth-child(even) .about-timeline__card {
    clip-path: var(--about-clip-alt);
  }

  .page-about .about-timeline__card {
    padding: 26px 28px;
  }

  .page-about .about-team__grid {
    grid-template-columns: 1fr 0.85fr;
    gap: 56px;
    align-items: center;
  }

  .page-about .about-team__content h2 {
    font-size: 2rem;
  }

  .page-about .about-team__figure img {
    max-height: 520px;
    object-fit: cover;
  }

  .page-about .about-quality__certs {
    grid-template-columns: 1fr;
  }

  .page-about .about-quality__figure {
    max-width: 360px;
    margin-top: 32px;
  }

  .page-about .about-promise h2 {
    font-size: 2rem;
  }

  .page-about .about-promise__lead {
    font-size: 1.05rem;
  }

  .page-about .about-stat-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
  }

  .page-about .about-stat__value {
    font-size: 2rem;
  }
}